ViewController.swift

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var dragTextView: UITextView!
    @IBOutlet weak var dropTextView: UITextView!
    
    @IBOutlet weak var dragImageView: UIImageView!
    @IBOutlet weak var dropImageView: UIImageView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        dropTextView.layer.borderWidth = 1
        dropTextView.layer.borderColor = UIColor.lightGray.cgColor
        
        dropImageView.layer.borderWidth = 1
        dropImageView.layer.borderColor = UIColor.lightGray.cgColor
        
    }

}